Establishing Inkjet Printhead Jetting Performance and Tolerances with Overall Printing System Design
An example of this is the straightness capability in the cross process direction. The maximum standard deviation of straightness for the Sapphire is 3.5 milliradians. This is the highest value allowed for any given printhead. Overall, however, the distribution of this parameter is very tight for the measured population. Using a Weibull distribution to describe the population, the majority of printheads have a standard deviation better the 2.0. Very good straightness can be balanced with the tolerances on the registration features of the printhead to the frame, which potentially reduces the cost of these features. Other options can be to increase the standoff of the head over the substrate to open up the possibilities for substrates, or to reduce the tolerances for the media handling.
Document Type: Research Article
Publication date: 2009-01-01
For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.
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